From 9b61f085eb63bf1a304d7be5fc175cf478848bf2 Mon Sep 17 00:00:00 2001
From: Loic Pefferkorn <loic@loicp.eu>
Date: Wed, 3 Sep 2014 22:23:12 +0200
Subject: [PATCH] staging: goldfish: document spinlock usage

Coding style: document spinlock usage

Signed-off-by: Loic Pefferkorn <loic@loicp.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/goldfish/goldfish_audio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/goldfish/goldfish_audio.c b/drivers/staging/goldfish/goldfish_audio.c
index 23a206d59790..b360d07564b1 100644
--- a/drivers/staging/goldfish/goldfish_audio.c
+++ b/drivers/staging/goldfish/goldfish_audio.c
@@ -36,6 +36,7 @@ MODULE_VERSION("1.0");
 struct goldfish_audio {
 	char __iomem *reg_base;
 	int irq;
+	/* lock protects access to buffer_status and to device registers */
 	spinlock_t lock;
 	wait_queue_head_t wait;
 
-- 
2.30.2